Pure Glycolic Acid Powder

Pure Glycolic Acid Powder Supplier:

Guanjie Biotech specialises in pure glycolic acid powder. We have an independent research and development centre to ensure the quality. It is a white crystalline powder. And the acid that we can extend more than 99%min. High quality and competitive price, welcome to enquire us at info@gybiotech.com.

Why Choose Guanjie Biotech?

● Two independent factories and three production lines.

● Professional research team and have own labs

● Provide the third-party testing.

● Have strong Collaborators: Northwestern University and the Chinese Academy of Sciences research centre

 

What Is Pure Glycolic Acid Powder?

Pure glycolic acid powder is a kind of colourless and easily deliquescent crystal, which is an alias for hydroxyacetic acid. It is water soluble, methanol, ethanol, ethyl acetate, and other organic solvents soluble, ether marginally soluble, and hydrocarbons insoluble. It has the dual properties of alcohol and acid and decomposes when heated to boiling temperature. And Ethanoic acid powder is used in organic synthesis, among other things. Typically created in alkaline circumstances by the hydrolysis of chloroacetic acid.

 

COA:

Items	Specifications	Results of the test
Appearance	White crystalline powder	White crystalline powder
Total Acid	99%min	99.56%min
Heavy metal content	10ppm max	5ppm max
Fe	10ppm max	5ppm max
Melting Point	78-80℃	79.2℃
Chloride	≤10PPM	5ppm
Scorch residue	≤0.05%	0.02％
Ash	≤0.1%	0.08%
Conclusion： Meet the requirements
Packing: Packed in a fibre drum lined with a plastic bag. Net 25kg per bag.
Storage： Keep in a dry, well-ventilated place.

 

What Are The Physical properties of Glycolic Acid Powder?

Pure Glycolic acid powder is one of the most widely used alpha-hydroxy acids (AHAs) in cosmetic, pharmaceutical, and chemical industries. It possesses distinctive physical and chemical characteristics that contribute to its effectiveness in formulations, particularly in skincare, chemical synthesis, and industrial processing.

Physical properties

• Appearance
Pure Glycolic acid powder in its pure form appears as colourless, easily deliquescent crystals. Because of its hygroscopic nature, the crystals readily absorb moisture from the air and may gradually dissolve into a liquid. When dissolved in water, the solution usually appears as a light yellow transparent liquid.

• Product Specifications
Glycolic acid is commonly available in two main commercial forms:

70% glycolic acid solution: Colourless to light yellow liquid

99% glycolic acid: White crystalline powder with high purity

• Melting Point
The melting point of pure glycolic acid powder is approximately 78–79°C, which indicates the temperature at which the solid crystalline form transitions into a liquid.

• Relative Density
The relative density of glycolic acid is about 1.49 (water = 1), meaning it is significantly denser than water.

• Boiling Characteristics
Pure Glycolic acid powder does not have a typical boiling point because it decomposes before boiling. When heated to around 100°C, it begins to break down into formaldehyde, carbon monoxide, and water. The generated formaldehyde may further transform into paraformaldehyde or formic acid.

•Solubility

In terms of solubility, glycolic acid powder demonstrates excellent compatibility with polar solvents. It is highly soluble in water, as well as in organic solvents such as methanol, ethanol, and ethyl acetate. It is slightly soluble in ether but insoluble in hydrocarbons, reflecting its strong polarity.

 

Chemical Characteristics

• Dual Functional Groups
Glycolic acid molecules contain both a hydroxyl group (–OH) and a carboxyl group (–COOH). Because of these two functional groups, glycolic acid exhibits both alcohol-like and acidic properties, making it highly reactive.

• Thermal Decomposition
When pure glycolic acid powder is heated to about 100°C, it decomposes into formaldehyde, carbon monoxide, and water. The formaldehyde formed during this process may further convert into paraformaldehyde or formic acid.

• Salt Formation Reaction
Pure Glycolic acid powder can react with metal hydroxides to form corresponding salts. For example, when it reacts with calcium hydroxide, a white precipitate of calcium hydroxyacetate can be produced.

 

What Does Glycolic Acid Powder Do?

● Chemical Cleaning

Glycolic acid (hydroxyacetic acid) is widely used as an efficient chemical cleaning agent due to its strong chelating ability and excellent solubility in water. A 70% glycolic acid solution is commonly applied in industrial cleaning processes to remove mineral scale, rust, and metal oxides from equipment surfaces. Its small molecular structure allows it to penetrate deposits effectively, dissolving stubborn residues that accumulate during manufacturing operations. Compared with stronger inorganic acids, glycolic acid offers effective cleaning performance while causing less corrosion to metal surfaces. As a result, Pure Glycolic Acid Powder is often used for cleaning pipelines, boilers, heat exchangers, and industrial processing equipment where controlled acidity and environmental compatibility are important.

● Biodegradable Materials

Pure Glycolic Acid Powder is also a key raw material in the production of biodegradable polymers, particularly polyglycolic acid (PGA) and copolymers such as polylactic-co-glycolic acid (PLGA). These polymers have become highly important in the development of biomedical materials. They are widely applied in absorbable surgical sutures, controlled drug delivery systems, implantable medical devices, and tissue engineering scaffolds. Because these materials can gradually degrade in the human body into harmless metabolic products, they eliminate the need for secondary surgical removal. Consequently, glycolic-acid-based polymers play a critical role in modern biomedical engineering, especially for slow-release pharmaceutical systems, orthopedic repair devices, artificial bone materials, and bioresorbable implants.

● Bactericidal and Microbial Control Applications

Due to the presence of both hydroxyl and carboxyl functional groups, glycolic acid can form stable chelate complexes with various metal ions. This chemical property enables it to interfere with the metabolic processes of certain microorganisms. In particular, glycolic acid can inhibit the growth of iron-oxidizing bacteria by binding metal ions essential for microbial activity. For this reason, pure glycolic acid powder may be used as a bacteriostatic agent in specific industrial environments. In addition, it is sometimes employed as a flotation inhibitor in mineral processing, where it helps regulate the separation of ores during flotation operations.

● Daily Chemical and Cosmetic Applications

Pure Glycolic Acid Powder is one of the most widely used alpha-hydroxy acids (AHAs) in the cosmetics and personal care industry. Because of its very small molecular weight, it penetrates the skin efficiently and promotes the exfoliation of dead skin cells. This process accelerates epidermal renewal and helps improve overall skin texture. Glycolic acid is therefore commonly used in skincare formulations designed for anti-aging, skin brightening, acne treatment, and wrinkle reduction. It also helps remove keratin buildup and improves moisture retention in the skin. As a result, glycolic acid is frequently incorporated into chemical peels, facial cleansers, toners, and whitening formulations, and it is highly valued within the medical aesthetics industry.

● Electroplating and Surface Treatment

Glycolic acid bulk powder also plays an important role in electroplating and metal surface treatment processes. Its sodium and potassium salts can be used as additives in electroplating baths to improve plating performance and stability. In metal processing, glycolic acid contributes to metal cleaning, pickling, and polishing, helping remove oxides and impurities before plating. Furthermore, glycolic acid functions as a complexing agent in electroless nickel plating systems. This improves metal deposition quality, enhances corrosion resistance, and produces a smoother surface finish. Because of its good reactivity and environmentally friendly characteristics, pure glycolic acid powder has become a valuable component in modern electroplating formulations and metal finishing technologies.

 

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